SmokeyRN SmokeyRN
  • 02-09-2018
  • Physics
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Please I really need help with thank you

Please I really need help with thank you class=

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Photophosphorylation
Photophosphorylation Photophosphorylation
  • 02-09-2018

The rows of the periodic table are called periods, whereas the columns are known as groups. Choice 2 is correct. Hope this helps!

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